Per Mertesacker is entrusted with the job of collecting fines from Arsenal players in breach of club discipline but the German may find himself going cap in hand to manager Arsene Wenger for his place in the team.

Youngster Mario Pasalic also completed a move to Stamford Bridge from Hadjuk Split earlier this month

Chelsea had been linked with an audascious £60million move for Juventus and France star Paul Pogba, b, but Mourinho insists the club's dealings are now complete ahead of the new season, ending hopes of a deal for the 21-year-old.

"I have to say my club did a fantastic job and not just because of what we bought but a fantastic job because we did it almost in record time," the Portuguese said.